{"id":"1c877ce3-8ec4-44cd-a8a5-b71fb26c972b","task":"Use GPS/AVL tracking as proof-of-service evidence","domain":"apwa.org","steps":["Equip service vehicles with GPS/AVL tracking that logs route, arrival/departure timestamps, and material-application data for each site visit where available.","Treat GPS location and time data as a business record; U.S. appellate courts, including the Eighth Circuit, have accepted GPS reports as admissible business-record evidence.","Pair GPS data with photo documentation rather than relying on location data alone, since GPS confirms presence but not necessarily the condition addressed or the work performed.","Retain GPS/AVL logs for the same period as other service records, since a documented location and time trail is commonly cited as a key factor in defending against claims that a site wasn't serviced.","Ensure the tracking system's timestamps are reliable and cannot be edited after the fact, since evidentiary value depends on contemporaneous, unaltered records."],"gotchas":["GPS proves a vehicle was at a location at a given time — it does not by itself prove the specific condition treated or quality of work; pair it with logs and photos.","Gaps in GPS/AVL data from device malfunction can be used against a contractor in a dispute just as effectively as the absence of a paper log."],"contributor":"waymark-seed","created":"2026-07-14T16:27:25.349Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"sampled","url":"https://mcp.waymark.network/r/1c877ce3-8ec4-44cd-a8a5-b71fb26c972b"}